[SI-LIST] Damping board resonances using discrete resistors - frequency domain data
- From: Doug Smith <doug@xxxxxxxxxx>
- To: Si-List <si-list@xxxxxxxxxxxxx>, emc-pstc <emc-pstc@xxxxxxxx>
- Date: Sun, 07 Mar 2010 19:30:21 -0800
Hi All,
I just posted my Technical Tidbit for March, 2010. Together with the
Februaryarticle, the two Technical Tidbits treat damping board resonances
caused by the capacitance between two PCBs and the inductance of the
conductor connecting them.
Technical Tidbit - February 2010
Damping Board Resonances Using Discrete Resistors
URL: http://emcesd.com/tt2010/tt020310.htm[1]
February's Technical Tidbit details a method of damping the resonance that
occurs when two circuit boards or one board and a chassis are connected by a
conductor. The method is simple and inexpensive.
Abstract: When circuit boards are connected by conductors, a resonant
circuitresults from the inductance of the conductors and the capacitance
between the circuit boards. A simple way to damp such board resonances is
discussed. The method can be very useful if the designer is restricted to
only one connection point between two boards and applies both to a pair of
boards or a single board mounted over a metal chassis.
Technical Tidbit - March 2010
Damping Board Resonances Using Discrete Resistors - Part Two
(Frequency Domain Measurements)
URL: http://emcesd.com/tt2010/tt030410.htm[2]
This month's Technical Tidbit details a method of damping the resonance that
occurs when two circuit boards or one board and a chassis are connected by a
conductor. The method is simple and inexpensive. Data is presented in the
frequency domain.
Abstract: When circuit boards are connected by conductors, a resonant
circuitresults from the inductance of the conductors and the capacitance
between the circuit boards. A simple way to damp such board resonances is
discussed and measurements presented in the frequency domain. The method can
be very useful if the designer is restricted to only one connection point
between two boards and applies both to a pair of boards or a single board
mounted over a metal chassis. This Technical Tidbit is an extension of the
February 2010 Technical Tidbit time domain results to the frequency domain.
To this point, I have published over 150 technical papers and Technical
Tidbits! When I started the Technical Tidbits, I wondered how long it would
be before I ran out of ideas to write about. Now, there seems like an
endlesssupply of ideas to write about. In addition, I am generating 3 audio
podcasts and a video tutorial per week as well. Keeping busy.
------------------------------------------------------- Have a good month,
Doug
-- ------------------------------------------------------- ___ _ Doug Smith
\/ ) P.O. Box 1457 ========= Los Gatos, CA 95031-1457 _ / \ / \ _ TEL/FAX:
408-356-4186/358-3799 / /\ \ ] / /\ \ Mobile: 408-858-4528 | q-----( ) | o |
Email: doug@xxxxxxxxxx[3] \ _ / ] \ _ / Website: http://www.dsmith.org[4]
-------------------------------------------------------
--- Links ---
1 http://emcesd.com/tt2010/tt020310.htm
2 http://emcesd.com/tt2010/tt030410.htm
3 mailto:doug@xxxxxxxxxx
4 http://www.dsmith.org
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